Protective shin guards



FIG. 1 is a front elevational view of a protective shin guard showing our new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a side elevational view of the opposite side of FIG. 2;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom view thereof. 

The ornamental design for protective shin guards, as shown and described. 